Very hot and very dry climates could have devastating effects on of livestock , plants, and humans productivity. Evaporative cooling has proven to be one of the most reliable and economical methods to maintain optimum temperature and humidity.
The temperature-humidity exchange process between water and air:Because water temperature is lower than air temperature exhausted from outside to inside workshop, evaporating water will absorb the heat of air and make water hotter, oppositely air becomes cooler and humidity in air increases suitalbly.